Top 40 Questions Asked for the Oral Exam of Marine Third Engineer Officers

1. What are the duties and responsibilities of a Third Engineer on board a commercial ship?
2. Explain the operation and maintenance of marine diesel engines.
3. How do you ensure compliance with environmental regulations on board a ship?
4. What is the purpose of the Engine Room Logbook, and what information is recorded in it?
5. Describe the principles of refrigeration and air conditioning systems on board ships.
6. What is the function of the ship’s sewage treatment plant?
7. How do you perform routine maintenance on a marine diesel engine?
8. What are the different types of marine fuels, and how do they affect engine performance?
9. Explain the operation of the ship’s electrical power generation and distribution system.
10. What are the hazards associated with working in the engine room, and how do you manage them?
11. Describe the purpose and operation of the ship’s fire detection and firefighting systems.
12. What is the function of the ship’s ballast water treatment system?
13. How do you perform routine maintenance on a ship’s steering system?
14. Explain the purpose and operation of the ship’s sewage and gray water collection system.
15. What is the function of the ship’s bilge system, and how do you maintain it?
16. How do you ensure the safe operation of the ship’s cargo handling equipment?
17. Describe the operation of the ship’s hydraulic systems.
18. What is the function of the ship’s emergency generator, and how do you operate it?
19. Explain the operation of the ship’s air compressor system.
20. How do you maintain the ship’s safety equipment, such as lifeboats and fire extinguishers?
21. Describe the function of the ship’s fuel oil purifier and how do you operate it.
22. What is the function of the ship’s fresh water generator, and how do you operate it?
23. Explain the operation of the ship’s lubrication system.
24. Describe the purpose and operation of the ship’s stern tube system.
25. How do you perform routine maintenance on the ship’s pumps and valves?
26. What is the function of the ship’s waste heat recovery system, and how does it improve engine efficiency?
27. Explain the operation of the ship’s boilers and how do you maintain them.
28. Describe the purpose and operation of the ship’s steering gear system.
29. What is the function of the ship’s main and auxiliary condensers?
30. How do you perform routine maintenance on the ship’s electrical motors and generators?
31. Explain the operation of the ship’s reverse osmosis desalination plant.
32. Describe the purpose and operation of the ship’s inert gas system.
33. What is the function of the ship’s sewage holding tank, and how do you maintain it?
34. How do you ensure compliance with safety and environmental regulations when operating the ship’s machinery?
35. Explain the operation of the ship’s air conditioning plant.
36. Describe the purpose and operation of the ship’s fuel oil transfer system.
37. What is the function of the ship’s emergency fire pump, and how do you operate it?
38. How do you perform routine maintenance on the ship’s air compressors?
39. Explain the operation of the ship’s waste oil incinerator.
40. Describe the purpose and operation of the ship’s shafting system.

Prepared by MaritimEducation team.